... 3.Material:Carbon steel,Stainless steel Carbon Steel Blind Flange1), Name:Blind Flange2), Sizes: 1/2"- 64",15mm - ... , API-605,etc..slip-on, welding neck, blind, threaded, lap-joint, etc.Class150,300,600,900 ... 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2”—64” ... , PN40, etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150051/2”—64 ...